Home / 26,140.01-39,155.76-12,772.64

Finding the Fourth Proportional to 26,140.01, 39,155.76 and 12,772.64

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Solution

The fourth proportional to 26,140.01, 39,155.76 and 12,772.64 is: 19,132.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,140.01 : 39,155.76 = 12,772.64 : x
  2. Step 2: Convert to fraction form
    26,140.01/39,155.76 = 12,772.64/x
  3. Step 3: Cross multiply
    26,140.01x = 39,155.76 × 12,772.64
  4. Step 4: Simplify right side
    26,140.01x = 500,122,230.63
  5. Step 5: Solve for x
    x = 500,122,230.63/26,140.01
  6. Step 6: Final answer
    x = 19,132.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.